1 // controls.cxx -- defines a standard interface to all flight sim controls
3 // Written by Curtis Olson, started May 1997.
5 // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 // (Log is kept at end of this file)
25 #include <Controls/controls.hxx>
26 #include <Aircraft/aircraft.hxx>
29 fgCONTROLS cur_control_params;
32 void fgControlsInit( void ) {
35 c = current_aircraft.controls;
38 FG_Elev_Trim = 1.969572E-03;
42 for ( i = 0; i < FG_MAX_ENGINES; i++ ) {
50 void fgElevMove(double amt) {
52 c = current_aircraft.controls;
56 if ( FG_Elevator < -1.0 ) FG_Elevator = -1.0;
57 if ( FG_Elevator > 1.0 ) FG_Elevator = 1.0;
60 void fgElevSet(double pos) {
62 c = current_aircraft.controls;
66 if ( FG_Elevator < -1.0 ) FG_Elevator = -1.0;
67 if ( FG_Elevator > 1.0 ) FG_Elevator = 1.0;
70 void fgElevTrimMove(double amt) {
72 c = current_aircraft.controls;
76 if ( FG_Elev_Trim < -1.0 ) FG_Elev_Trim = -1.0;
77 if ( FG_Elev_Trim > 1.0 ) FG_Elev_Trim = 1.0;
80 void fgElevTrimSet(double pos) {
82 c = current_aircraft.controls;
86 if ( FG_Elev_Trim < -1.0 ) FG_Elev_Trim = -1.0;
87 if ( FG_Elev_Trim > 1.0 ) FG_Elev_Trim = 1.0;
90 void fgAileronMove(double amt) {
92 c = current_aircraft.controls;
96 if ( FG_Aileron < -1.0 ) FG_Aileron = -1.0;
97 if ( FG_Aileron > 1.0 ) FG_Aileron = 1.0;
100 void fgAileronSet(double pos) {
102 c = current_aircraft.controls;
106 if ( FG_Aileron < -1.0 ) FG_Aileron = -1.0;
107 if ( FG_Aileron > 1.0 ) FG_Aileron = 1.0;
110 void fgRudderMove(double amt) {
112 c = current_aircraft.controls;
116 if ( FG_Rudder < -1.0 ) FG_Rudder = -1.0;
117 if ( FG_Rudder > 1.0 ) FG_Rudder = 1.0;
120 void fgRudderSet(double pos) {
122 c = current_aircraft.controls;
126 if ( FG_Rudder < -1.0 ) FG_Rudder = -1.0;
127 if ( FG_Rudder > 1.0 ) FG_Rudder = 1.0;
130 void fgThrottleMove(int engine, double amt) {
133 c = current_aircraft.controls;
135 if ( engine == FG_Throttle_All ) {
136 for ( i = 0; i < FG_MAX_ENGINES; i++ ) {
137 FG_Throttle[i] += amt;
138 if ( FG_Throttle[i] < 0.0 ) FG_Throttle[i] = 0.0;
139 if ( FG_Throttle[i] > 1.0 ) FG_Throttle[i] = 1.0;
142 if ( (engine >= 0) && (engine < FG_MAX_ENGINES) ) {
143 FG_Throttle[engine] += amt;
144 if ( FG_Throttle[engine] < 0.0 ) FG_Throttle[engine] = 0.0;
145 if ( FG_Throttle[engine] > 1.0 ) FG_Throttle[engine] = 1.0;
150 void fgThrottleSet(int engine, double pos) {
153 c = current_aircraft.controls;
155 if ( engine == FG_Throttle_All ) {
156 for ( i = 0; i < FG_MAX_ENGINES; i++ ) {
157 FG_Throttle[i] = pos;
158 if ( FG_Throttle[i] < 0.0 ) FG_Throttle[i] = 0.0;
159 if ( FG_Throttle[i] > 1.0 ) FG_Throttle[i] = 1.0;
162 if ( (engine >= 0) && (engine < FG_MAX_ENGINES) ) {
163 FG_Throttle[engine] = pos;
164 if ( FG_Throttle[engine] < 0.0 ) FG_Throttle[engine] = 0.0;
165 if ( FG_Throttle[engine] > 1.0 ) FG_Throttle[engine] = 1.0;
171 double fgBrakeGet( void ) {
173 c = current_aircraft.controls;
179 void fgBrakeSet( double brake_amt ) {
181 c = current_aircraft.controls;
183 FG_Brake_Amt = brake_amt;
188 // Revision 1.1 1998/10/18 01:51:05 curt
191 // Revision 1.8 1998/09/29 02:01:31 curt
194 // Revision 1.7 1998/02/07 15:29:36 curt
195 // Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
196 // <chotchkiss@namg.us.anritsu.com>
198 // Revision 1.6 1998/01/19 19:27:02 curt
199 // Merged in make system changes from Bob Kuehne <rpk@sgi.com>
200 // This should simplify things tremendously.
202 // Revision 1.5 1998/01/19 18:40:22 curt
203 // Tons of little changes to clean up the code and to remove fatal errors
204 // when building with the c++ compiler.
206 // Revision 1.4 1997/12/10 22:37:41 curt
207 // Prepended "fg" on the name of all global structures that didn't have it yet.
208 // i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
210 // Revision 1.3 1997/08/27 03:30:01 curt
211 // Changed naming scheme of basic shared structures.
213 // Revision 1.2 1997/06/21 17:12:48 curt
214 // Capitalized subdirectory names.
216 // Revision 1.1 1997/05/31 19:24:04 curt